9999 PORSCHE CAYENNE TSBs (2)

Bulletin:: 122-M3B5L-03
Component:: 104000 power train:transfer case (4-wheel drive)
Summary:: Cause: clicking noises can come from around the transfer case when manoeuvring the vehicle (or driving slowly) due to activation of the transfer case servo motor. remedial action: before doing any other work, the symptommust be simulate
Bulletin:: 122-A6Z3V-03
Component:: 063130 engine and engine cooling:exhaust system:emission control:gas recirculation valve (egr valve)
Summary:: Subject: intake valves and intake ports information: carboned-up valves in the engine can be reworked and cleaned using cleaning equipment. if there is a complaint about knocking combustion, e.g. during acceleration at high load, the con